hi,

I have installed Iredmail7 on CEntOS 5 but not able to send email through it belo is the error which I am getting

Apr  7 05:44:15 nl postfix/master[3850]: terminating on signal 15
Apr  7 05:44:16 nl postfix/postfix-script[3952]: warning: /var/spool/postfix/etc/hosts and /etc/hosts differ
Apr  7 05:44:16 nl postfix/postfix-script[3956]: starting the Postfix mail system
Apr  7 05:44:16 nl postfix/master[3957]: daemon started -- version 2.5.9, configuration /etc/postfix
Apr  7 05:44:24 nl postfix/smtpd[3963]: connect from nl.mouthshut.com[127.0.0.1]
Apr  7 05:44:24 nl postfix/trivial-rewrite[3966]: warning: do not list domain nl.mouthshut.com in BOTH mydestination and virtual_mailbox_domains
Apr  7 05:44:24 nl postfix/smtpd[3963]: NOQUEUE: reject: RCPT from nl.mouthshut.com[127.0.0.1]: 550 5.1.0 <bounce@nl.mouthshut.com>: Sender address rejected: User unknown in local recipient table; from=<bounce@nl.mouthshut.com> to=<abhishekanand1984@gmail.com> proto=ESMTP helo=<nl.mouthshut.com>
Apr  7 05:44:24 nl roundcube: Invalid response code received from server (550):
Apr  7 05:44:24 nl roundcube: SMTP Error: SMTP error: Failed to add recipient 'abhishekanand1984@gmail.com' in /var/www/roundcubemail-0.5.1/program/steps/mail/func.inc on line 1491 (POST /mail/?_unlock=loading1302169608597?_task=mail&_action=send)
Apr  7 05:44:24 nl postfix/smtpd[3963]: disconnect from nl.mouthshut.com[127.0.0.1]